Best thing to do is get pre-qualified and compare rates and total costs. 

Nothing different compared to other strategies.

@Ryan Larsen, If you're going to a larger property the stress test you want to use is to compare your net proceeds as a down payment for the new property. 

The valuation of properties 2-4 units are determined by Comparative Market Analysis. 

Then get ahold of the local utility provider and compare the cost of electric to the cost of gas.

Compare that with the 0.01% - 0.03% that most banks offer and its a no brainer.

I'm happy to send you over the contact info for some other lenders if you want to compare rates. 

Evaluate locations based on the ten years preceding the COVID times compared to the current inflation rate (>5%).Population Size - Greater than 1 million.

The decline in existing home sales coincides with rising sales prices, which have continued to soar into fall, with the median sales price of existing homes up 14.9% compared to last year.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.